Best TOTO Elongated Bidet Seats: 5 Spec-Based Picks
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Choosing the best TOTO elongated bidet seats requires checking the published specs for your bathroom. We compared 5 models to find the right fit. The TOTO C5 Elongated Bidet Seat leads because it includes a remote control and PREMIST technology. These features are listed directly in the product data. This guide helps you decide which seat matches your needs based on dimensions, weight, and included components. You can compare the width, length, and height of each unit to ensure it fits your existing toilet. We focus only on the facts provided by the manufacturer.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | TOTO C5 Elongated Bidet Seat Best overall | Users prioritizing PREMIST and remote control | Check price of TOTO C5 Elongated Bidet Seat on Amazon |
| 2 | TOTO Washlet KS5 Elongated Bidet Best heated seat | users wanting instant heat and remote presets | Check price of TOTO Washlet KS5 Elongated Bidet on Amazon |
| 3 | TOTO WASHLET S5 Elongated Bidet Also great | Users prioritizing hygiene and instant heating | Check price of TOTO WASHLET S5 Elongated Bidet on Amazon |
| 4 | TOTO WASHLET S2 Elongated Bidet Best budget | Budget-conscious buyers wanting PREMIST and EWATER+ | Check price of TOTO WASHLET S2 Elongated Bidet on Amazon |
| 5 | TOTO WASHLET+ S7A Elongated Bidet Best premium | Users wanting automatic lid and remote control | Check price of TOTO WASHLET+ S7A Elongated Bidet on Amazon |
The best fit for you
- You want PREMIST and remote control TOTO C5 Elongated Bidet Seat The C5 includes PREMIST technology and a remote for precise control.
- You need instant heat and presets TOTO Washlet KS5 Elongated Bidet The KS5 features instant water heating and memory presets via remote.
- You prioritize hygiene and instant heating TOTO WASHLET S5 Elongated Bidet The S5 combines instant heating with PREMIST for consistent hygiene.
- You want PREMIST without a remote TOTO WASHLET S2 Elongated Bidet The S2 offers PREMIST and EWATER+ in a straightforward design.
- You want automatic lid and remote TOTO WASHLET+ S7A Elongated Bidet The S7A provides automatic lid operation and precise remote control.
Our 5 picks
TOTO C5 Elongated Bidet Seat
Best for: Users prioritizing PREMIST and remote control
- Shape
- Elongated (what this guide is about)
- Seat Shape
- Elongated
- Wash Modes
- Pulsating, oscillating
- Included Components
- Bidet
- Dimensions
- 20.9 × 15.1 × 0.99 inches
- Weight
- 15.5 pounds
View on Amazon: TOTO C5 Elongated Bidet Seat Affiliate link
The TOTO C5 is an elongated electronic bidet seat designed for comfort and hygiene. It features adjustable warm water with pulsating and oscillating wash modes. The unit includes PREMIST to prevent bowl residue and EWATER+ for wand self-cleaning. A remote control offers two user memory settings. It also has a soft-close heated seat, air deodorizer, and warm air dryer.
Pros
- Elongated seat shape for standard compatibility
- Remote control with two memory settings
- PREMIST function prevents bowl waste adhesion
- EWATER+ wand self-cleaning system
- Adjustable warm water and pressure settings
Cons
- Heavier build at 15.5 pounds
- No smartphone app control listed
- Limited to two user memory profiles
Good fit if
- You want PREMIST to reduce cleaning frequency
- You prefer using a remote for control
- You need EWATER+ for wand hygiene
Skip if
- You require more than two user profiles
- You prefer a round seat shape
- You want app-based smart control
Verdict: TOTO C5 Elongated Bidet Seat offers robust hygiene features like PREMIST and EWATER+ for users who value bowl cleanliness and remote convenience.
TOTO Washlet KS5 Elongated Bidet
Best for: users wanting instant heat and remote presets
- Shape
- Elongated (what this guide is about)
- Seat Shape
- Elongated
- Remote Control
- Wireless remote
- Wash Modes
- Oscillating
- Included Components
- Bidet
- Heated Seat
- Heated Seat
View on Amazon: TOTO Washlet KS5 Elongated Bidet Affiliate link
The TOTO KS5 is an elongated bidet seat with a heated seat and instantaneous water heating. It offers an oscillating wash mode and a wireless remote with four memory settings. The unit measures 20.9 inches in length and weighs 11.2 pounds. It includes a soft-close lid and an adjustable warm air dryer. This model suits users who want consistent warmth and personalized cleansing presets.
Pros
- Instantaneous water heating for continuous warm water
- Heated seat with soft-close lid
- Wireless remote with four user memory settings
- Oscillating wash mode
Cons
- No PREMIST or EWATER+ bowl cleaning technology
- Heavier build at 11.2 pounds
- Limited to oscillating wash mode only
Good fit if
- You want a heated seat with instant water heating
- You prefer using a wireless remote for control
- You need four memory settings for family use
Skip if
- You want PREMIST or EWATER+ bowl cleaning
- You prefer a more compact or lighter unit
- You want multiple wash modes beyond oscillating
Verdict: The TOTO KS5 Heated Elongated Bidet Seat is a solid choice for buyers who prioritize instant water heating and remote-controlled memory presets over advanced bowl cleaning features.
TOTO WASHLET S5 Elongated Bidet
Best for: Users prioritizing hygiene and instant heating
- Shape
- Elongated (what this guide is about)
- Seat Shape
- Elongated
- Wash Modes
- Pulsating and oscillating
- Included Components
- Bidet
- Dimensions
- 21 × 15.1 × 0.99 inches
- Weight
- 15.4 pounds
View on Amazon: TOTO WASHLET S5 Elongated Bidet Affiliate link
The TOTO S5 is an elongated electronic bidet seat designed for comfort and hygiene. It features instantaneous water heating for a continuous warm stream and includes PREMIST to prevent bowl residue. The unit offers pulsating and oscillating wash modes, a heated seat, and an air deodorizer. With four user memory settings and a remote control, it suits households seeking personalized cleansing and easy maintenance without complex installation.
Pros
- Instantaneous water heating for continuous warm streams
- PREMIST function prevents waste from sticking to the bowl
- EWATER+ wand self-cleans automatically inside and out
- Four user memory settings with remote control access
Cons
- Heavier build at 15.4 pounds compared to lighter models
- No smart app integration listed in specifications
- Limited to pulsating and oscillating wash modes only
Good fit if
- You want a reliable seat with instant heating
- You value self-cleaning wand technology
- You need multiple user memory settings
Skip if
- You prefer a round seat shape
- You require app-based smart controls
- You need advanced spray position adjustments beyond presets
Verdict: The TOTO S5 Elongated Bidet Seat delivers consistent performance through instant heating and PREMIST technology. It is a practical choice for users who prioritize hygiene features and personalized memory settings over smart connectivity.
TOTO WASHLET S2 Elongated Bidet
Best for: Budget-conscious buyers wanting PREMIST and EWATER+
- Shape
- Elongated (what this guide is about)
- Seat Shape
- Elongated
- Wash Modes
- Pulsating and oscillating
- Included Components
- Bidet
- Dimensions
- 21 × 18.4 × 5.5 inches
- Weight
- 13.5 pounds
View on Amazon: TOTO WASHLET S2 Elongated Bidet Affiliate link
The TOTO S2 is an elongated electronic bidet seat designed for standard toilets. It features instantaneous water heating for a continuous warm stream. The unit includes PREMIST to prevent bowl staining and EWATER+ for wand sanitation. A side panel controls pulsating and oscillating wash modes. It also offers a heated seat, air deodorizer, and nightlight. This model suits users seeking reliable hygiene features without complex remote controls.
Pros
- Instantaneous water heating for continuous warm water
- PREMIST function prevents waste from sticking
- EWATER+ wand self-cleans automatically
- Side panel for direct control of settings
- Heated seat with SoftClose lid
Cons
- No remote control included
- Lacks automatic open and close lid
- Side panel controls may be less intuitive than a remote
Good fit if
- You want a reliable TOTO bidet seat with core hygiene features
- You prefer direct side-panel controls over a remote
- You need PREMIST and EWATER+ for bowl and wand cleanliness
Skip if
- You require an automatic open and close lid
- You prefer controlling settings via a handheld remote
- You want a round seat shape instead of elongated
Verdict: The TOTO S2 Elongated Bidet Seat delivers essential TOTO hygiene technologies like PREMIST and EWATER+ in a straightforward design. It is the practical pick for buyers who value dependable washing and sanitation without the complexity of a remote control.
TOTO WASHLET+ S7A Elongated Bidet
Best for: Users wanting automatic lid and remote control
- Shape
- Elongated (what this guide is about)
- Seat Shape
- Elongated
- Wash Modes
- Oscillating, pulsating
- Design Style
- Modern
- Included Components
- Bidet
- Dimensions
- 20.9 × 15.1 × 4.06 inches
View on Amazon: TOTO WASHLET+ S7A Elongated Bidet Affiliate link
The TOTO S7A is an elongated electronic bidet seat with a modern design. It features an instantaneous water heater for continuous warm streams. The unit includes a remote control with four user memory settings. Automatic lid open and close functions provide a hands-free experience. PREMIST technology helps prevent waste adhesion before use. This seat suits users seeking advanced cleaning features and automated convenience.
Pros
- Instantaneous water heater for continuous warm water
- Remote control with four user memory settings
- Automatic open and close lid
- PREMIST bowl misting technology
- EWATER+ wand and bowl cleaning
Cons
- Requires separately sold auto flush kit
- Heavier build at 15 pounds
- Only two wash modes listed
Good fit if
- You want automatic lid operation
- You prefer remote control operation
- You need personalized user memory settings
Skip if
- You need a compact or standard shape
- You want a fully integrated auto flush
- You prefer manual lid operation only
Verdict: The TOTO S7A Elongated Bidet Seat offers advanced automation and personalized settings for users who value hands-free convenience and precise control over their cleansing routine.
Specifications side by side
| Spec | TOTO C5 Elongated Bidet Seat | TOTO Washlet KS5 Elongated Bidet | TOTO WASHLET S5 Elongated Bidet | TOTO WASHLET S2 Elongated Bidet | TOTO WASHLET+ S7A Elongated Bidet |
|---|---|---|---|---|---|
| Seat Shape | Elongated | Elongated | Elongated | Elongated | Elongated |
| Remote Control | not stated | Wireless remote | not stated | not stated | not stated |
| Wash Modes | Pulsating, oscillating | Oscillating | Pulsating and oscillating | Pulsating and oscillating | Oscillating, pulsating |
| Design Style | not stated | not stated | not stated | not stated | Modern |
| Included Components | Bidet | Bidet | Bidet | Bidet | Bidet |
| Shape | Elongated | Elongated | Elongated | Elongated | Elongated |
| Heated Seat | not stated | Heated Seat | not stated | not stated | not stated |
| Dimensions | 20.9 × 15.1 × 0.99 inches | 20.9 × 15 × 5.38 inches | 21 × 15.1 × 0.99 inches | 21 × 18.4 × 5.5 inches | 20.9 × 15.1 × 4.06 inches |
| Weight | 15.5 pounds | 11.2 pounds | 15.4 pounds | 13.5 pounds | 15 pounds |
| Size | C5 Elongated | Elongated | Elongated | Elongated | Elongated |
| Color | Cotton White | Cotton White | Sedona Beige | Cotton White | Cotton White |
| Model | SW3084#01 | SW3216#01 | SW3446#12 | SW3346#01 | SW4736AT40#01 |
How to choose the right bidet seat
-
Check the remote control
Decide if you prefer manual buttons or a handheld remote. The TOTO C5 and KS5 both include remote controls for precise adjustments. This allows you to set water pressure and temperature without reaching for the seat. If you want simple operation, the TOTO S2 offers essential hygiene features without a remote. Choose the option that matches your comfort level for daily use.
-
Verify instant heating
Instant heating ensures warm water is always available, unlike tank models that need time to reheat. The TOTO KS5 and S5 both feature instant heating technology. This is crucial for consistent comfort during use. If you prioritize immediate warmth, look for this spec in the product details. It prevents the wait time associated with storage tank systems and ensures every session starts with warm water.
-
Assess PREMIST technology
PREMIST sprays a fine mist on the bowl surface before use to prevent stains. The TOTO C5, S5, and S2 all include this feature for easier cleaning. If you want to reduce scrubbing time, this spec is valuable. It keeps the ceramic surface cleaner for longer. Check the included components list to confirm this technology is present in your chosen model.
-
Measure seat dimensions
Width and height vary between models. The TOTO S2 is wider at 18.4 inches, while others are around 15.1 inches. Height also differs, with the C5 and S5 being under one inch tall. The KS5 and S2 are thicker. Measure your existing toilet space carefully. Ensure the new seat fits your bathroom layout without obstructing nearby fixtures or walls.
-
Consider design style
Match the color and style to your bathroom decor. The TOTO S5 is available in Sedona Beige, offering a warm tone. Most other models, like the C5 and KS5, come in Cotton White. The S7A has a modern design style. Select the color that complements your existing fixtures. This ensures the bidet seat blends seamlessly with your bathroom aesthetic rather than standing out.
Frequently asked questions
Which TOTO elongated bidet seat is the thinnest?
The TOTO C5 and S5 models are the thinnest options available. Both measure just 0.99 inches in height. This slim profile helps them fit seamlessly under most bathroom vanities. In contrast, the KS5 and S2 are thicker, standing at 5.38 and 5.5 inches tall respectively. You should check your clearance if space is tight.
Does the TOTO C5 come with a remote control?
Yes, the TOTO C5 Elongated Bidet Seat includes a remote control. This allows you to adjust settings without reaching for the seat. The remote provides precise control over water temperature and pressure. It also manages the PREMIST feature, which helps keep the bowl clean. This makes operation convenient and hands-free.
What is the difference between the TOTO S5 and S2?
The TOTO S5 features instant heating and PREMIST technology. It is available in Sedona Beige and measures 21 inches in length. The S2 also offers PREMIST and EWATER+ but lacks instant heating. It is wider at 18.4 inches and thicker at 5.5 inches. Choose the S5 for modern heating or the S2 for a budget-friendly option.
Which model is best for users who want instant heat?
The TOTO KS5 and S5 are the best choices for instant heat. The KS5 provides instant water heating along with remote presets. The S5 also features instant heating for consistent performance. Both models ensure warm water is available immediately. If you prioritize this feature, these two models are the most suitable options for your needs.
Is the TOTO KS5 suitable for small bathrooms?
The TOTO KS5 measures 15 inches wide and 20.9 inches long. Its width is comparable to the C5 and S5. However, it is much thicker at 5.38 inches tall. This height might interfere with vanity clearance in very small spaces. Check your vertical space before installing. The C5 is thinner at under one inch, offering more flexibility.
Does the TOTO S7A have an automatic lid?
Yes, the TOTO S7A Elongated Bidet Seat includes an automatic lid. This feature provides hands-free convenience for users. It also comes with a remote control for precise adjustments. The model measures 20.9 inches in length and 4.06 inches in height. It is a modern choice for those who want automation in their cleansing routine.